Investigation of the thermal hysteresis at the phase transition of relaxor ferroelectric Sr0.61Ba0.39(NbO3)2

被引：10

作者：

Sánchez, F ^{[1
]}

Ramírez, MO ^{[1
]}

Aragó, C ^{[1
]}

Gonzalo, JA ^{[1
]}

机构：

[1] Univ Autonoma Madrid, Dept Fis Mat, E-28049 Madrid, Spain

来源：

FERROELECTRICS LETTERS SECTION | 2004年 / 31卷 / 3-4期

关键词：

birefiringence; relaxor ferroelectric; thermal hysteresis;

D O I：

10.1080/07315170490480858

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Measurements of birefringence and dielectric constant in single crystals of Sr0.61Ba0.39(NbO3)(2), evidence a thermal hysteresis (DeltaT congruent to 5degreesC) related to the discontinuous first order ferroelectric transition. The experimental results are analyzed in the light of the effective field approach and compared with the parameters characteristics of a classic perovskite like BaTiO3.

引用

页码：35 / 42

页数：8

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